1 /* $OpenBSD: ieee80211_amrr.h,v 1.3 2006/06/17 19:34:31 damien Exp $ */ 2 /* $NetBSD: ieee80211_amrr.h,v 1.1 2006/10/31 21:53:41 joerg Exp $ */ 3 4 /* 5 * Copyright 2016 Hans Rosenfeld <rosenfeld@grumpf.hope-2000.org> 6 */ 7 8 /* 9 * Copyright (c) 2006 10 * Damien Bergamini <damien.bergamini@free.fr> 11 * 12 * Permission to use, copy, modify, and distribute this software for any 13 * purpose with or without fee is hereby granted, provided that the above 14 * copyright notice and this permission notice appear in all copies. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 17 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 19 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 20 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 21 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 22 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 23 */ 24 #ifndef _NET80211_AMRR_H_ 25 #define _NET80211_AMRR_H_ 26 27 /* 28 * Naive implementation of the Adaptive Multi Rate Retry algorithm: 29 * 30 * "IEEE 802.11 Rate Adaptation: A Practical Approach" 31 * Mathieu Lacage, Hossein Manshaei, Thierry Turletti 32 * INRIA Sophia - Projet Planete 33 * http://www-sop.inria.fr/rapports/sophia/RR-5208.html 34 */ 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 struct ieee80211_node; 41 42 /* 43 * Rate control settings. 44 */ 45 struct ieee80211_amrr { 46 uint_t amrr_min_success_threshold; 47 uint_t amrr_max_success_threshold; 48 }; 49 50 #define IEEE80211_AMRR_MIN_SUCCESS_THRESHOLD 1 51 #define IEEE80211_AMRR_MAX_SUCCESS_THRESHOLD 15 52 53 /* 54 * Rate control state for a given node. 55 */ 56 struct ieee80211_amrr_node { 57 uint_t amn_success; 58 uint_t amn_recovery; 59 uint_t amn_success_threshold; 60 uint_t amn_txcnt; 61 uint_t amn_retrycnt; 62 }; 63 64 void ieee80211_amrr_node_init(struct ieee80211_amrr *, 65 struct ieee80211_amrr_node *); 66 void ieee80211_amrr_choose(struct ieee80211_amrr *, struct ieee80211_node *, 67 struct ieee80211_amrr_node *); 68 69 #ifdef __cplusplus 70 } 71 #endif 72 73 #endif /* _NET80211_AMRR_H_ */ 74